Serum angiogenesis profile in gestational trophoblastic neoplasm using multiplex immunoassay

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Abstract

Aims:

Gestational trophoblastic neoplasms (GTN) exemplify a rare, mostly curable but highly aggressive disease. It is often associated with a rapid formation of distant metastases and most likely with an intense neoangiogenesis processes. The aim of the study was to analyze markers in serum of patients with GTN before chemotherapy compared to healthy pregnant women.

Main methods:

In this study sixteen protein angiogenesis markers were evaluated in serum of 21 patients with GTN before chemotherapy and compared with healthy pregnant women. Markers were measured using BioPlex Pro Human Cancer Biomarker Panel 1 immunoassay. t-Tests and receiver operating characteristic curves were used for statistical analysis.

Key findings:

Receiver operator curve analysis identified six proteins (sTIE-2, osteopontin, sIL-6α, sVEGFR-2, sEGFR, PECAM-1) which had sufficient sensitivity and specificity (AUC > 0,70) to distinguish GTN patients before the treatment from pregnant controls. The levels of three proteins (sTIE-2, osteopontin and sIL-6α) were altered in GTN patients before the treatment as compared to healthy controls (p = 0,0112; p = 0,0442; p = 0,0488, respectively) and thereby may serve as potential disease markers.

Significance:

Serum concentration of proteins related to angiogenesis changes in the course of GTN and may appear useful in the diagnostic process of this disease.

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